Bug 706147: Fix text positioning error in filter processor.

When filtering, we were failing to reset the stored pending Td
values when we hit a BT. This meant that when we elide a Td
(perhaps due to redaction), we'd incorrectly add the stored
offset onto the next one.

diff --git a/source/pdf/pdf-op-filter.c b/source/pdf/pdf-op-filter.c
index e5d5411a6432accb51a240b5754cd5c5bbc64e0d..a7867a8b6c4a3797d583d1327dcc86bc49ccbc8b 100644 (file)
--- a/source/pdf/pdf-op-filter.c
+++ b/source/pdf/pdf-op-filter.c
@@ -1499,6 +1499,8 @@ pdf_filter_BT(fz_context *ctx, pdf_processor *proc)
        p->BT_pending = 1;
        p->text_sent = 0;
        p->text_removed = 0;
+       p->Td_pending = 0;
+       p->Td_value.x = p->Td_value.y = 0;
 }
 
 static void